US5847921A - Bus bar insulation apparatus for electric power distribution - Google Patents

Bus bar insulation apparatus for electric power distribution Download PDF

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Publication number
US5847921A
US5847921A US08/962,702 US96270297A US5847921A US 5847921 A US5847921 A US 5847921A US 96270297 A US96270297 A US 96270297A US 5847921 A US5847921 A US 5847921A
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US
United States
Prior art keywords
bus bar
diverged
main
insulation
bus bars
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US08/962,702
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English (en)
Inventor
Ki Bum Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LS Electric Co Ltd
Original Assignee
LG Industrial Systems Co Ltd
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Publication date
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Assigned to LG INDUSTRIAL SYSTEMS CO., LTD. reassignment LG INDUSTRIAL SYSTEMS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, KI BUM
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/056—Mounting on plugboards

Definitions

  • the present invention relates to a bus bar insulation apparatus for an electric power distributor, and in particular to an improved bus bar insulation apparatus for an electric power distributor which is capable of minimizing the size of an electric power distributor, effectively insulating bus bars of the same, and preventing an electric shock accident due to exposed bus bars during a maintenance of the electric power distributor.
  • the electric power distributor is a device for distributing electric power to a plurality of electric load units and includes a main circuit breaker for switching a main power, a plurality of diverged circuit breakers for switching an electric power supply between the main circuit breaker and a plurality of electric load units, a plurality of main bus bars electrically connecting the main circuit breaker to the diverged circuit breakers and being made of a conductive material, and cables supplying the electric power from the diverged circuit breakers to the electric load elements.
  • the thusly constituted electric power distributor is installed within a casing having a door with a locking device in order to prevent an electric shock accident when it is opened.
  • FIGS. 1 and 2 illustrate the conventional electric power distributor.
  • a casing, an electric power cable, and an electric load-side cable are omitted for an easy understanding.
  • the conventional power distributor includes a substrate 100, a main circuit breaker 1 mounted on the substrate 100, three lengthy main bus bars 11 are electrically connected with the main circuit breaker 1 and are spaced-apart at a predetermined interval from each other, and a plurality of diverged circuit breakers which are parallely spaced-apart in two lanes at a predetermined distance t2 between opposed two diverged circuit breakers 2, which distance is longer than the width t1 of the main circuit breaker 1, and a plurality of diverged bus bars 21 which electrically contact with the main bus bars for supplying a three-phase alternating current voltage to the diverged circuit breakers 2.
  • the diverged bus bars 21 each include one end portion (not shown) connected with a power terminal (not shown) of a corresponding one of the diverged circuit breakers 2, a curved portion (not shown) which electrically contacts with a corresponding one of the main bus bar 11, and the other end portion (not shown) electrically connected with a power terminal (not shown) of a corresponding one of the opposed diverged circuit breakers 2.
  • a bus bar insulation apparatus for a power distributor which includes a main bus bar insulation member installed on the substrate and having a plurality of spaced-apart first insulation walls for electrically insulating the main bus bars by the phase of the AC voltage, and at least one bus bar insulation fixed on the substrate and having a plurality of spaced-apart second insulation walls for electrically insulating the bus bars and for being coupled onto the main bus bar insulation member.
  • FIG. 1 is a perspective view illustrating a conventional power distributor
  • FIG. 2 is a front view illustrating a conventional power distributor
  • FIG. 3 is an exploded perspective view illustrating a power distributor according to the present invention.
  • FIG. 4 is a plan view illustrating a power distributor according to the present invention.
  • FIG. 5 is a front view illustrating a power distributor according to the present invention.
  • FIG. 3 is an exploded perspective view illustrating a power distributor according to the present invention.
  • the bus bar insulation apparatus includes a main bus bar insulation member 51 installed on the substrate 100 and having a plurality of spaced-apart first insulation walls 52 for electrically insulating main bus bars 11, and a diverged bus bar insulation member 41 engaged onto the main bus bar insulation member 51 and having a plurality of spaced-apart second insulation walls 42 formed on the upper surface thereof for electrically insulating the bus bars 21a and 21b, wherein the electric power distributor includes a substrate 100, a main circuit breaker 1 fixed to the substrate 100 and connected with a three-phase alternating current for supplying an electric power or blocking the same, three main bus bars 11 connected with the main circuit breaker 1 for supplying the three-phase electric power from the main circuit breaker 1 to the diverged circuit breakers 2 (described later), a plurality of diverged circuit breakers 2 each of which is connected with a corresponding electric load circuit and fixed to the substrate 100 for supplying the electric
  • a plurality of channel-shaped grooves 44 are formed on the lower surface of the diverged bus bar insulation member 41 for receiving corresponding first insulation walls 52 when the main bus bar insulation member 51 and the diverged bus bar insulation member 41 are engaged.
  • the first insulation walls 52 each include step portions 52a and 52b for stopping the first insulation walls 52 of the diverged bus bar insulation member 41.
  • a plurality of holes 43 are formed on the upper surface of the diverged bus bar insulation member 41 for receiving a lower end of each of the bus bars 21a therethrough, so that the lower end of each of the bus bars 21a electrically contacts with a corresponding one of the main bus bars 11.
  • the bus bar insulation apparatus for an electric power distributor includes a first insulation terminal member 31a connecting an end portion of each of the main bus bars 11 to the main circuit breaker 1, and a second insulation terminal member 31b to which the other end of each of the main bus bars 11 is connected.
  • the main circuit breaker 1 when fabricating the electric power distributor, the main circuit breaker 1 is fixedly mounted on the substrate 100, and terminal portions (not shown) formed in the main circuit breaker 1 are aligned, and the first insulation terminal member 31a is fixedly engaged to the main circuit breaker 1. At this time, the hole 33 formed in each of the terminal portions of the first insulation terminal member 31a and a hole (not shown) formed in each of the terminal portions (not shown) of the main circuit breaker 1 are aligned, thus engaging the first insulation terminal member 31a and the main circuit breaker 1.
  • at least four insulation walls 32a are integrally formed, so that at least three main bus bar guide paths are formed by the first insulation walls 52 of the main bus insulation member 51.
  • Protrusions 52a and 52b are formed on the first insulation walls 52, so that the engaging position thereof is determined on the first insulation wall 52 of the diverged bus bar insulation member 41.
  • the three main bus bars 11 are installed on the main bus bar guide paths formed by the first insulation walls 52 of the main bus bar insulation member 51, and an electric power-source connection portion of each of the main bus bars 11 is installed on the guide path formed by the insulation walls 32a of the first insulation terminal member 31a.
  • the other end portions of the three main bus bars 11 are inserted into the guide paths formed by the insulation walls 32b of the second insulation terminal member 31b which is spaced-apart from the first insulation terminal member 31a of the substrate 100, and the screw holes (not shown) formed in each of the other end portions of the main bus bars is aligned with the terminal hole (not shown) formed in each terminal of the second insulation terminal member 31b, thus engaging the same using screws.
  • the length of the diverged bus bar insulation member 41 is longer than the length that the guide path widths of the main bus bar insulation member 51 are summed is summed by the combined length of two diverged circuit breakers 2.
  • the width of the diverged bus bar insulation member 41 is made to be identical with the length of the guide path of the main bus bar insulation member 51 or to be smaller than the same.
  • the thickness of the same is similar to the height of the insulation wall 52 of the main bus bar insulation member 51.
  • Channel-shaped grooves 44 are formed on the lower surface of the diverged bus bar insulation member 41 for supportedly receiving the first insulation walls 52 of the main bus bar insulation member 51 thereinto, and the height of the channel-shaped protrusions 44 are smaller than the heights of the first insulation walls 52, and the channel-shaped protrusions 44 are formed to be extended up to the protrusions 52a and 52b of the guide paths of the main bus bar insulation member 51.
  • Three second insulation walls 42 are installed on the central upper surface of the diverged bus bar insulation member 41 for electrically insulating the upper bus bars 21b, and the lengths of the second insulation walls 42 are the same as the length of the longer length with respect to the curved portion of the upper bus bar 21b.
  • Three through holes 43 are formed in the bus bar guide paths formed by the second insulation walls 42 on the upper surface of the diverged bus bar insulation member 41 in order for the lower bus bars 21a to pass therethrough.
  • the first insulation walls 52 are received into the channel-shaped grooves 44 of the diverged bus bar insulation member 41, and the diverged bus bar insulation member 41 is engaged onto the main bus bar insulation member 51.
  • the lower portions of the lower bus bars 21b are placed to be closer to the main bus bars 11 using screws and then the lower bus bars 21b are fixed thereto. Thereafter, the upper portions thereof are extended from the upper portion of the diverged bus bar insulation member 41 through the holes 43, and then the hole formed in the upper portion is aligned with the terminal hole (not shown) of the diverged circuit breaker 2.
  • One end portion of the upper bus bar 21b is connected with the terminal (not shown) of the diverged circuit breaker 2 using a screw, and the other end portion of the same is connected to the terminal (not shown) of another diverged circuit breaker 2 which is installed opposedly from the diverged circuit breaker 2.
  • the diverged circuit breakers 2 are fixed to the diverged bus bar insulation member 41 by the screws which are threaded into the diverged circuit breaker engaging holes 71 which are formed in pair for each diverged circuit breaker 2.
  • the bus bar insulation apparatus for an electric power distributor it is possible to insulate the bus bars of the electric power distributor by using the insulation walls 52 and 42 formed in the main and diverged bus bar insulation members 51 and 41 of the bus bars 11 and 21 without separating the diverged circuit breakers 2 which are formed in two lanes by a predetermined distance more than the width of the main circuit breaker 1, so that it is possible to prevent an electric shock due to the exposed electric portions during the maintenance of the diverged circuit breakers of the electric power distributor or the changes thereof.
  • a maintenance work or the like is available without turning off the main circuit breaker.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Distribution Board (AREA)
  • Patch Boards (AREA)
US08/962,702 1996-11-08 1997-11-03 Bus bar insulation apparatus for electric power distribution Expired - Lifetime US5847921A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1996-52811 1996-11-08
KR1019960052811A KR100226066B1 (ko) 1996-11-08 1996-11-08 분전반 주개폐기 및 분기개폐기의 부스바 절연장치

Publications (1)

Publication Number Publication Date
US5847921A true US5847921A (en) 1998-12-08

Family

ID=19481178

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/962,702 Expired - Lifetime US5847921A (en) 1996-11-08 1997-11-03 Bus bar insulation apparatus for electric power distribution

Country Status (7)

Country Link
US (1) US5847921A (ko)
KR (1) KR100226066B1 (ko)
CN (1) CN1058112C (ko)
BR (1) BR9705449A (ko)
ID (1) ID18088A (ko)
MY (1) MY117004A (ko)
NZ (1) NZ329108A (ko)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6191948B1 (en) * 1998-01-29 2001-02-20 Ellenberger & Poensgen Gmbh Power supply device
US6315580B1 (en) * 1999-06-04 2001-11-13 Astec International Limited PCB connector module for plug-in circuit breakers and fuses
US6433444B1 (en) 2000-02-18 2002-08-13 General Electric Company Modular fault tolerant power distribution system
EP2301124A2 (de) * 2008-05-23 2011-03-30 August Schmid Geschlossenes sammelschienensystem zur niederspannungsverteilung
US20110149483A1 (en) * 2009-12-17 2011-06-23 Schneider Electric USA, Inc. Panelboard having a parallel feeder bars distribution
CN101364714B (zh) * 2007-08-07 2011-07-20 Ls产电株式会社 用于开关设备的总线连接装置及其总线连接方法
US20140168862A1 (en) * 2012-12-19 2014-06-19 Schneider Electric USA, Inc. Plug-on neutral load center having a rotating neutral rail retained by a two-piece dielectric barrier
US20150043173A1 (en) * 2011-11-08 2015-02-12 BMT CO. Ltd Module type safety bus bar
WO2016205164A1 (en) * 2015-06-18 2016-12-22 Eaton Corporation Switchboard for power distribution system
US10796825B1 (en) * 2018-02-12 2020-10-06 Travis James Cronkrite Modular bus bar insulator

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100394031B1 (ko) * 2001-06-15 2003-08-09 엘지산전 주식회사 배전반용 전계완화 금구
KR100438983B1 (ko) * 2002-01-25 2004-07-03 엘지산전 주식회사 철재 분전반의 분기회로구조
KR100459226B1 (ko) * 2002-07-02 2004-12-03 엘지산전 주식회사 주택용 분전반의 절연장치
JP2005185056A (ja) * 2003-12-22 2005-07-07 T An T:Kk 車両室内灯用バスバー基板
DE202004008141U1 (de) * 2004-05-24 2005-10-06 Ellenberger & Poensgen Gmbh Modularer Stromverteiler für hohe Ströme
KR100843457B1 (ko) * 2006-08-28 2008-07-03 동일산전(주) 철재 분전반의 부스바 절연장치 및 구조
KR102546039B1 (ko) 2021-01-27 2023-06-22 현대테크산업 주식회사 전력계통 컷오프 상태의 시각적 분별이 가능한 산업용 차단스위치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636915A (en) * 1985-08-20 1987-01-13 Siemens Energy & Automation, Inc. Fastener having dual teeth
US4916574A (en) * 1989-06-06 1990-04-10 Siemens Energy & Automation, Inc. Panelboard bus bar arrangement
US5046173A (en) * 1990-10-18 1991-09-03 General Electric Company Single branch circuit breaker support
US5295042A (en) * 1993-01-06 1994-03-15 General Electric Company Double branch circuit breaker support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227372Y (zh) * 1995-04-01 1996-05-15 阜新封闭母线厂 共箱绝缘封闭母线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636915A (en) * 1985-08-20 1987-01-13 Siemens Energy & Automation, Inc. Fastener having dual teeth
US4916574A (en) * 1989-06-06 1990-04-10 Siemens Energy & Automation, Inc. Panelboard bus bar arrangement
US5046173A (en) * 1990-10-18 1991-09-03 General Electric Company Single branch circuit breaker support
US5295042A (en) * 1993-01-06 1994-03-15 General Electric Company Double branch circuit breaker support

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6191948B1 (en) * 1998-01-29 2001-02-20 Ellenberger & Poensgen Gmbh Power supply device
US6315580B1 (en) * 1999-06-04 2001-11-13 Astec International Limited PCB connector module for plug-in circuit breakers and fuses
US6433444B1 (en) 2000-02-18 2002-08-13 General Electric Company Modular fault tolerant power distribution system
CN101364714B (zh) * 2007-08-07 2011-07-20 Ls产电株式会社 用于开关设备的总线连接装置及其总线连接方法
EP2301124A2 (de) * 2008-05-23 2011-03-30 August Schmid Geschlossenes sammelschienensystem zur niederspannungsverteilung
US20110075327A1 (en) * 2008-05-23 2011-03-31 August Schmid Closed busbar system for low-voltage distribution
US8625256B2 (en) 2008-05-23 2014-01-07 August Schmid Closed busbar system for low-voltage distribution
EP2301124A4 (de) * 2008-05-23 2012-09-26 August Schmid Geschlossenes sammelschienensystem zur niederspannungsverteilung
US8547684B2 (en) 2009-12-17 2013-10-01 Schneider Electric USA, Inc. Panelboard having a parallel feeder bars distribution
US20110149483A1 (en) * 2009-12-17 2011-06-23 Schneider Electric USA, Inc. Panelboard having a parallel feeder bars distribution
US20150043173A1 (en) * 2011-11-08 2015-02-12 BMT CO. Ltd Module type safety bus bar
US9655257B2 (en) * 2011-11-08 2017-05-16 Bmt Co., Ltd. Module type safety bus bar
US20140168862A1 (en) * 2012-12-19 2014-06-19 Schneider Electric USA, Inc. Plug-on neutral load center having a rotating neutral rail retained by a two-piece dielectric barrier
US8953306B2 (en) * 2012-12-19 2015-02-10 Schneider Electric USA, Inc. Plug-on neutral load center having a rotating neutral rail retained by a two-piece dielectric barrier
WO2016205164A1 (en) * 2015-06-18 2016-12-22 Eaton Corporation Switchboard for power distribution system
US9716372B2 (en) 2015-06-18 2017-07-25 Eaton Corporation Switchboard for power distribution system
US10069283B2 (en) 2015-06-18 2018-09-04 Eaton Intelligent Power Limited Switchboard for power distribution system
US10796825B1 (en) * 2018-02-12 2020-10-06 Travis James Cronkrite Modular bus bar insulator

Also Published As

Publication number Publication date
NZ329108A (en) 1999-04-29
KR100226066B1 (ko) 1999-10-15
CN1058112C (zh) 2000-11-01
AU4438097A (en) 1998-05-14
KR19980034677A (ko) 1998-08-05
CN1182294A (zh) 1998-05-20
BR9705449A (pt) 1999-09-21
AU720296B2 (en) 2000-05-25
ID18088A (id) 1998-02-26
MY117004A (en) 2004-04-30

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